| Variables | Probit coefficients | P > /Z/ | SD error |
| Sex of respondent (SexR) | 0.0485278 | 0.885 | 0.334660 |
| Age of respondent (AgeR) | 0.0116001 | 0.325 | 0.011779 |
| Family size of resp. (FamSR) | 0.0035174 | 0.941 | 0.047666 |
| Education level of resp. (EduR) | 0.0798405 | 0.741 | 0.241491 |
| Marital status of resp. (MarR) | −0.509332 | 0.311 | 0.502486 |
| Years of membership (YearM) | −0.0209681 | 0.845 | 0.107086 |
| Distance from forest site (DistR) | −0.0112761 | 0.966 | 0.261984 |
| Environmental know. (EnAR) | −0.174373 | 0.589 | 0.322713 |
| First bid amount (Fbid) | −0.0045734 | 0.617 | 0.009149 |
| Net income (Ntincome) | 0.0000344 | 0.585 | 0.000063 |
| _Constant | 1.525866 | 0.118 | 0.975572 |
| Number of observation | 218 | ||
| Wald Chi2 (10) | 3.89 | ||
| Pseudo R2 | 0.9523 | ||
| Prob > Chi2 | 0.0263** | ||
| Log pseudo likelihood | −62.81106 | ||